^Smith, Alan L.; Roobol, M. John; Mattioli, Glen S.; Fryxell, Joan Esther; Daly, G. E.; Fernandez, Louis A. (2018). The Volcanic Geology of the Mid-Arc Island of Dominica, Lesser Antilles: The Surface Expression of an Island-Arc Batholith. Boulder, Colorado: Geological Society of America. pp. 20, 44. ISBN978-0-81372-496-6.